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Body-Coupled Power Transceiver with Node-Specific Body-Area Powering
Cited 5 time in
Web of Science
Cited 9 time in Scopus
- Authors
- Issue Date
- 2021
- Publisher
- European Solid-State Circuits Conference
- Citation
- European Solid-State Circuits Conference, pp.423-426
- Abstract
- Body-coupled powering (BCP) via the human body channel has demonstrated improved pathloss and body-area coverage over conventional approaches. This work focuses on dynamic optimization of the transmitter (hub-side) output power and frequency, to avoid power overdraw for prolonged transmitter (hub) lifetime. Power evaluation and feedback allow for the transmitter to dynamically adapt its power and frequency, based on the node-specific channel and power condition, with only similar to 90nW overhead. This saves the overall TX power by 7x. Moreover, HV driver with simplified driving circuits is proposed in standard CMOS process, which allows for 20x improved power delivery (at 105cm) while saving 23% of the TX power consumption. The 40nm CMOS body-coupled power transceiver (TRX) ICs delivers up to 1.1mW and 22 mu W power to the receiver located at 20cm and 105cm away on the body.
- ISSN
- 1930-8833
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Related Researcher
- College of Engineering
- Department of Electrical and Computer Engineering
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